12
Q:

The product of two positive numbers is p. If each of the numbers is increased by 2, the new product is how much greater than twice the sum of the two original numbers ?

A) p times B) 2p times
C) (p + 4) times D) (2p + 3) times

Answer:   C) (p + 4) times



Explanation:

Let the two no's be a and b;
Given product of the no's is p = ab;
If the each nos is increased by 2 then the new product will be
(a+2)(b+2) = ab + 2a + 2b + 4
= ab + 2(a+b) + 4
= p + 2(a+b) + 4
Hence the new product is (p+4) times greater than twice the sum of the two original numbers.

Q:

If a 10-digit number 1230x558y2 is divisible by 88, then the value of (5x + 5y) is:

 

A) 40 B) 20
C) 50 D) 30
 
Answer & Explanation Answer: A) 40

Explanation:
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0 238
Q:

If an 8-digit number 30x558y2 is divisible by 88, then the value of (6x +6y) is:

 

A) 30 B) 35
C) 42 D) 66
 
Answer & Explanation Answer: C) 42

Explanation:
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0 901
Q:

If the seven digit number 54x29y6 (x > y)is divisible by 72, what is the value of (2x + 3y)?

 

A) 38 B) 13
C) 32 D) 23
 
Answer & Explanation Answer: D) 23

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0 2388
Q:

Which among the following numbers is exactly divisible by 7, 11 and 13 ?

 

A) 14982 B) 15004
C) 14993 D) 15015
 
Answer & Explanation Answer: D) 15015

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0 8070
Q:

Which among the following numbersis exactly divisible by 11, 13 and 7?


(a) 624613


(b) 624624


(c) 624635


(d) 624646

 

A) (b) B) (c)
C) (a) D) (d)
 
Answer & Explanation Answer: A) (b)

Explanation:
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0 4846
Q:

The ten-digit number 2x600000y8 is exactly divisible by 24. If x ≠ 0 and y ≠ 0, then the least value of (x + y) is equal to:

 

A) 5 B) 8
C) 9 D) 2
 
Answer & Explanation Answer: A) 5

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0 246
Q:

The 10-digit number 79x00001y6 is exactly divisible by 88. What is the value of (x + 3)?

 

A) 5 B) 9
C) 6 D) 7
 
Answer & Explanation Answer: B) 9

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0 8596
Q:

Divide 27 into two parts so that 5 times the first and 11 times the second together equals to 195. Then ratio of the first and second parts is

 

A) 17 : 10 B) 3 : 2
C) 2 : 7 D) 5 : 4
 
Answer & Explanation Answer: A) 17 : 10

Explanation:
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0 318